class_docstr: Domain for Neural Network architectures. 
docstr: Return dimension. 
docstr_tok: ["Return","dimension","."]
code: def get_dim(self):
      """Return dimension."""
      return 1
  
imports: import numpy
  from copy import copy
  from ..exd.domains import Domain
label_desc: Use image node_id 3 for calling the NNDomain obj's underlying member method code with example usage: obj.get_dim() and returns: int